Drawworks and the Compound, The

The drawworks is a part of the system that rotary drilling rigs use for hoisting, or lifting, the drill stem and casing out of the hole. A compounding transmission, or compound, sends power from the engines to the drawworks, the rotary table, and the mud pumps. This training manual gives an overview of both these pieces of machinery and how they are used together to do the hoisting work of the rotary rig.

Topics include:

The hoisting system

Components of the drawworks

Getting power to the drawworks

Transmissions

Clutches

Main and auxiliary brakes

Catshaft

Lubrication

Readable language, clearly labeled illustrations and photographs, a glossary, and helpful self-test review questions help the reader to comprehend the material. This lesson replaces “The Hoist” in the series.1995, 132 pp. ISBN 0-88698-171-9.